Calculate the binding energy and binding energy per nucleon (in MeV) of a nitrogen nucleus ( 714N) from the following data :Mass of proton = 1.00783 uMass of neutron = 1.00867 uMass of nitrogen nucleus = 14.00307 u
Answers
The binding energy of a nucleus is the amount of energy required to break it into its constituent parts (protons and neutrons). It is calculated by subtracting the mass of the individual protons and neutrons from the mass of the nucleus.
For a nitrogen nucleus (714N), there are 7 protons and 7 neutrons. The total mass of the protons is 7.05581 u (1.00783 x 7), and the total mass of the neutrons is 7.06069 u (1.00867 x 7). Therefore, the total mass of the nitrogen nucleus is:
Mass of nitrogen nucleus = mass of protons + mass of neutrons
= 7.05581 u + 7.06069 u
= 14.11650 u
The actual mass of the nitrogen nucleus, however, is 14.00307 u. This difference in mass is due to the binding energy holding the nucleus together.
To calculate the binding energy, we use Einstein's famous equation E=mc², where E is energy, m is mass, and c is the speed of light. We can rearrange this equation to solve for the binding energy:
Binding energy = (mass of constituent parts - actual mass of nucleus) x c²
Plugging in the values, we get:
Binding energy = (7.05581 u + 7.06069 u - 14.00307 u) x (2.998 x 10^8 m/s)²
= 171.995 MeV
To find the binding energy per nucleon, we simply divide the binding energy by the number of nucleons (14 in this case):
Binding energy per nucleon = binding energy / number of nucleons
= 171.995 MeV / 14
= 12.285 MeV
Therefore, the binding energy of a nitrogen nucleus is 171.995 MeV, and the binding energy per nucleon is 12.285 MeV.
To calculate the binding energy and binding energy per nucleon for a nitrogen nucleus (7,14N), follow these steps:
1. Determine the number of protons and neutrons:
- Protons: 7 (from the symbol 7,14N)
- Neutrons: 14 - 7 = 7
2. Calculate the combined mass of protons and neutrons:
- Protons: 7 * 1.00783 u = 7.05481 u
- Neutrons: 7 * 1.00867 u = 7.06069 u
- Total mass: 7.05481 u + 7.06069 u = 14.1155 u
3. Calculate the mass defect:
- Mass defect = Total mass - Mass of nitrogen nucleus = 14.1155 u - 14.00307 u = 0.11243 u
4. Convert mass defect to energy using Einstein's formula (1 u = 931.5 MeV):
- Binding energy = 0.11243 u * 931.5 MeV/u = 104.742 MeV
5. Calculate binding energy per nucleon:
- Binding energy per nucleon = Binding energy / Number of nucleons = 104.742 MeV / 14 = 7.482 MeV/nucleon
The binding energy of the nitrogen nucleus is 104.742 MeV, and the binding energy per nucleon is 7.482 MeV/nucleon.
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Related Questions
a process that releases heat, such as freezing or condensation is called?
A. Endothermic
B. Nonthermic
C. Lowthermic
D. exothermic
Answers
Exothermic processes are those in which heat is evacuated from a substance, as in freezing or condensation.
The correct answer is D
what are the exothermic and endothermic types?Endothermic chemical reactions are those in which all reactants take in heat that the environment provides to create products. An fast pyrolysis is one in which heat or light are released as forms of energy. Energy from the environment is taken up by the reaction.
What does exothermic imply in everyday language?An exothermic process in chemistry involves the release off heat. Since heat is released during candle burning, the process is exothermic. Exothermic is a useful scientific adjective to use when describing reactions that release energy, typically in the form of heat.
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When OSHA uses a TLV in regulations,
- The TLV becomes a mandatory PEL
- The PEL is non-mandatory
- It is required that the TLV be updated annually
- Updated TLVs automatically become updated PELs
Answers
When OSHA uses a TLV (Threshold Limit Value) in regulations, the TLV becomes a mandatory PEL (Permissible Exposure Limit). This means that employers must ensure workers' exposure to the hazardous substance does not exceed the established PEL, which is based on the TLV. OSHA enforces these PELs to protect workers from potential health hazards in the workplace.
When OSHA uses a TLV in regulations, the TLV becomes a non-mandatory recommendation for occupational exposure limits. OSHA has established its own Permissible Exposure Limits (PELs) which are legally enforceable and mandatory. While OSHA may consider TLVs when establishing or revising PELs, the TLV does not automatically become a PEL. OSHA may also use other sources of information to establish or revise PELs. Additionally, OSHA does not require that TLVs be updated annually, although some organizations that establish TLVs may choose to update them on a regular basis.
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When acetanilide is mixed with an inorganic compound such as sand, what happens to the melting point of the sample?
Answers
When acetanilide is combined with an inorganic compound like sand, the melting point of the sample remains constant. Because acetanilide has a melting point of 114.3° Celsius, the melting point after mixing the inorganic compound will be the same as before crystallization.
What is Acetanilide?
Acetanilide is a colorless, odorless solid chemical that resembles a leaf or flake. N-phenylacetamide, acetanil, and acetanilid are other names for it.
Acetanilide is used to stabilize cellulose ester varnishes and as a hydrogen peroxide decomposition inhibitor. It has also been used as an intermediator in the synthesis of rubber accelerators, dyes and dye intermediates, and camphor. Acetanilide is used to make 4-acetamidobenzenesulfonyl chloride, a key intermediate in the production of sulfa drugs.
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Answers
Answer:
fjajgjjsjdjfsnndnfnsnfnbansfngjajjfhfsjjtgk
how many grams of k o h are needed to neutralize 12.6 ml of 0.14 m h c l in stomach acid?
Answers
0.0989 grams of KOH is needed to neutralize 12.6 mL of 0.14 M HCl in stomach acid.
Volume of HCl solution = 12.6 mL = 0.0126 L
The concentration of HCl solution = 0.14 M We have to find the amount of KOH required to neutralize the given volume and concentration of HCl.
In order to calculate the amount of KOH, we need to first calculate the number of moles of HCl using the formula of Molarity;
Molarity = (Number of moles of solute) / (Volume of solution in liters)0.14 M = n(HCl) / 0.0126L0.14 × 0.0126 = n(HCl)n(HCl) = 0.001764 moles of HCl
Now, the balanced chemical equation for the reaction of KOH with HCl is;KOH + HCl → KCl + H₂OOne mole of KOH reacts with one mole of HCl.
Therefore, the number of moles of KOH required to neutralize the given amount of HCl would be equal to 0.001764 moles. Now, let's calculate the amount of KOH in grams.
Molar mass of KOH = 39.1 + 16.00 + 1.008 = 56.108 g/mol0.001764 moles of KOH would weigh = 0.001764 × 56.108 = 0.0989
hence, the amount of KOH required to neutralize the given volume and concentration of HCl would be 0.0989 grams.
Thus, 0.0989 grams of KOH is needed to neutralize 12.6 mL of 0.14 M HCl in stomach acid.
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calculate the molarity of a 10.0% cacl₂ solution. the density of the solution is 1.0835 g/cm³.
Answers
The molarity of the 10.0% CaCl₂ solution is 0.9007 M
Molarity of a solution is defined as the number of moles of solute present in 1 litre of the solution.
To calculate the molarity of the CaCl₂ solution, we need to first determine the mass of CaCl₂ present in one liter i.e. 1000 ml of the solution.
A 10.0% CaCl2 solution means that 10.0 g of CaCl₂ is present in 100 g of the solution.
We can use this information to calculate the mass of CaCl2 in one liter of the solution as follows:
Mass of CaCl₂ in 1 L
= (10.0 g CaCl₂ / 100 g solution) x (1000 g solution / 1 L solution)
∴ Mass of CaCl₂ in 1 L = 100 g CaCl₂ / 1 L solution
Now since we know the mass of CaCl₂ in one liter of the solution, we can use the molarity formula to calculate the molarity of the solution:
Molarity = moles of solute / volume of solution (in liters)
To find the moles of CaCl₂ present in one liter of the solution, we need to divide the mass of CaCl₂ by its molar mass.
The molar mass of CaCl₂ is 110.98 g/mol
moles of CaCl₂ in 1 L
= 100 g CaCl₂ / 110.98 g/mol
= 0.9007 mol
Finally, we can use the formula for molarity to calculate the molarity of the solution:
Molarity = moles of solute / volume of solution in L
Molarity
= 0.9007 mol / 1 L
= 0.9007 M
Thus, molarity of the solution is 0.9007 M
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b) Sodium + Oxygen Sodium Oxide + Type of Reaction :
c) Barium Chloride + Potassium iodide Barium lodide + Potassium Chloride Type of Reaction :
e) NH 3 +HCl NH 4 Cl Type of Reaction ;
f) CuO+H 2 Cu+H 2
O Type of Reaction
g) CaOH CaO 2 +H 2 O Type of Reaction
Answers
Answer:
b. combustion reaction
c. displacement reaction
e. Decomposition reaction
f. redox reactions
g. combination reaction
I'm not fully sure about part c but the rest are correct
I hope it helped
PLEASE URGENT HELP!! 30 POINTS!!!!!!
Answers
Answer:
CH³–C=CH——CH³–CH=CH²
Explanation:
THIS IS PROPYNE TO PROPENE
Explain on any two materials that you would expect to use for the wheelchair (both back support and
arm support) with less generation of heat during the hot summers.
Answers
Answer:
In the backrest use materials where it is easy to clean and where they do not absorb fluids, in this way it would be cooler, such as an ecological leather simulator.
And in the armrest as well, but in both areas we must not rule out that if or if it should have even a minimum of padded surface so that the patient or the person who spends most of the day in the wheelchair does not suffer from joint pain.
Explanation:
Some wheelchair factories also implement modern chairs where they are made of stainless steel structures lined with padded material with perforated fabrics that allow breathing and aeration of body areas that have contact with the fabric.
a 0.510 aqueous solution of kbr has a total mass of 77.0 g. what masses of solute and solvent are present?
Answers
If a 0.510 aqueous solution of KBr has a total mass of 77.0 g the masses of solute and solvent present are 39.27 g and 37.73 g respectively.
We know that the concentration of an aqueous solution is given by the mass of the solute divided by the total mass of the solution.
C = m solute / m solution
The total mass of the solution is 77.0 g, and the concentration of the solution is 0.510.
To find the mass of the solute (KBr), we can use the following formula;
the mass of solute = concentration × mass of solution
mass of solute = 0.510 × 77.0g ≈ 39.27g
So, the mass of KBr present in the solution is about 39.27 g.
To find the mass of the solvent (water), we can subtract the mass of the solute from the total mass of the solution.
mass of solvent = total mass of the solution - the mass of solute
mass of solvent = 77.0 g - 39.27 g ≈ 37.73 g
Therefore, the mass of solute (KBr) present is about 39.27 g, and the mass of solvent (water) present is about 37.73 g.
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Match each type of bulk material with the tank designed to carry that material. corrosives-1 liquefied petroleum gas-4 liquefied nitrogen- 2 flammable liquids-3
Answers
Corrosives - Tank made of corrosion-resistant materials. Liquefied nitrogen - Vacuum-insulated tank with multiple layers of insulation. Flammable liquids - Tank made of steel or aluminum, with a safety valve. Liquefied petroleum gas - Tank made of steel or aluminum, with a pressure relief valve. The correct match is 1-b, 2-d, 3-a, 4-c.
Different types of bulk materials require different types of tanks for safe transportation and storage. Corrosives, such as acids and bases, can damage tanks made of ordinary materials, so tanks designed to carry these materials are made of corrosion-resistant materials such as stainless steel or polyethylene.
Liquefied nitrogen requires a vacuum-insulated tank to keep the temperature of the liquid nitrogen at around -196°C, preventing it from boiling off. Flammable liquids, such as gasoline and diesel fuel, need tanks made of steel or aluminum with safety valves and other safety features to prevent fires or explosions.
Liquefied petroleum gas, or propane and butane, also require tanks made of steel or aluminum, with a pressure relief valve and other safety features to prevent leaks and fires. The correct match options are 1-b, 2-d, 3-a, 4-c.
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--The given question is incomplete, the complete question is given below " Match each type of bulk material in column A with the tank designed to carry that material in column B.
column A
1 corrosives
2 liquefied petroleum gas
3 liquefied nitrogen
4 flammable liquids
column B
a, Tank made of steel or aluminum, with a safety valve
b, Tank made of corrosion-resistant materials,
c, Tank made of steel or aluminum, with a pressure relief valve
d, Vacuum-insulated tank with multiple layers of insulation"--
how many molecules of HI are needed to produce 72.54g of BaL2? Equation: BaSO4+HI=Bal2+H2SO4
Answers
The number of molecules of HI that are needed to produce 72.54g of BaL2 is6.365 x 10^23.
How to find the molecules needed?To determine the number of molecules of HI needed to produce 72.54g of BaL2, we need to first find the moles of BaL2 and then use the balanced chemical equation to find the moles of HI.
First, we'll find the moles of BaL2:
72.54 g of BaL2 / 137.3 g/mol = 0.529 moles of BaL2
Next, we'll use the balanced chemical equation to find the moles of HI:
BaSO4 + 2HI -> BaL2 + H2SO4
From this equation, we can see that for every 2 moles of HI that react, 1 mole of BaL2 is produced. Therefore, to produce 0.529 moles of BaL2, we need 0.529 x 2 = 1.058 moles of HI.
Finally, we'll convert the moles of HI to the number of molecules:
1.058 moles of HI x 6.022 x 10^23 molecules/mole = 6.365 x 10^23 molecules of HI.
Therefore the number of molecules of HI needed to produce 72.54g of BaL2 is approximately 6.365 x 10^23.
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help pls i give 20 points
Answers
2. Chemical - oxidation is occurring which is a chemical change
3.chemical- when metal rusts it changes into iron oxide which is different than regular iron.
I’m not sure about the other 3. Sorry :( but I hope this kind of helps
Distinguish between kinetic and potential energy in the following examples: two seperated magnets; an avalanche of snow; books on library shelves; a mountain stream; a stock car race; separation of charge in a battery.
Answers
That has been released and is associated with the body in motion.
define kinetic energy ?
In physics, an object's kinetic energy is the energy it has as a result of its motion. It is defined as the amount of work required to accelerate a body of a given mass from rest to a certain velocity. The body retains its kinetic energy after gaining it during acceleration until its speed changes. The body does the same amount of work while slowing down from its current pace to rest. Formally, kinetic energy is any term in a system's Lagrangian that contains a time derivative.
The kinetic energy of a non-rotating object of mass m moving at a speed v in classical physics
The primary distinction between kinetic energy and potential energy is that potential energy is mechanical energy that is stored within an object and is ready to be released as and when needed to do work, whereas kinetic energy is mechanical energy that has been released and is associated with the body in motion.
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What is the charge on an object that has 1,000,000 unbalanced protons
Answers
Answer:
1,000,000 protons x (1.6 ×10 -19 C/proton) = 0.00000000000016 C = 1.6 x 10 -13 C.
Please help!!!!!!!!!
Answers
Answer:
I think you're right I'm not sure
which statements about titration curves are correct? select all that apply: the ph at the equivalence point of the titration of a strong acid with a strong base is 7.00. the ph at the equivalence point of the titration of a weak acid with a strong base is greater than 7.00. past the equivalence point, the ph increases rapidly, since there is excess hydroxide added. the starting ph of a weak acid titrated with a strong base is lower than the starting ph of a strong acid titrated with a strong base.
Answers
The correct statements are, the pH at the equivalence point of the titration of a strong acid with a strong base is 7.00, the starting pH of a weak acid titrated with a strong base is lower than the starting pH of a strong acid titrated with a strong base. Options B and D are correct.
Option B is correct because the equivalence point of the titration of a weak acid with a strong base occurs when all the weak acid has reacted with the strong base to form its conjugate base, which is a stronger base. This results in a solution that is basic, and therefore has a pH greater than 7.
Option D is correct because the starting pH of a weak acid titrated with a strong base is lower than the starting pH of a strong acid titrated with a strong base. This is because a weak acid does not completely dissociate in water, resulting in a lower initial concentration of H⁺ ions and a lower pH. As the strong base is added during the titration, the pH gradually increases until the equivalence point is reached.
Option A is incorrect because the equivalence point of the titration of a strong acid with a strong base is actually below pH 7.0, due to the formation of water in the reaction. Option C is incorrect because past the equivalence point, the pH increases slowly, not rapidly, due to the excess base that has been added.
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Which of the following elements has a complete outer shell of electrons?
Answers
Answer:
You gave no examples
Explanation:
Basically any amount that equals to 8, so all noble gases
Leann is learning about chemical reactions. She wants to create a model of a chemical reaction, so she is examining the information that she should include. What are the different components that she should include in her model? Choose the three that apply.
A. the kinds of atoms that form during a reaction
B. the kinds of molecules involved in the reaction
C. the kinds of elements that make up a molecule
D. whether the molecules are products or reactants
E. whether the products have more mass than the reactants
Answers
F. According to the rules for naming compounds that you learned in this course, what is the
chemical name of this new product? What is its common name? (2 points)
Answers
Molecular compounds are termed by using the stem of the first element's name plus the suffix -ide, followed by the second element. Numerical prefixes are used to specify the number of atoms in a molecule.
What does "chemical common name" mean?The IUPAC defines a common name as one that clearly identifies a chemical but does not adhere to the current systematic naming convention. Acetone, which bears the scientific term, serves as an illustration of a common name. 2-propanone
What is the short answer to chemical?A chemical is any substance whose composition is known. A chemical always consists of the same "substance," to put it another way. Water is one of the substances found in nature.
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Nevada's annual precipitation averages between 21 and 24 cm. In comparison,Washington state averages between 96 and 97 cm of precipitation per year. Which of these factors has the greatest impact on the difference in precipitation between these two states?
Answers
Answer:
Mountain ranges and prevailing winds.
Explanation:
Mountain ranges and prevailing winds are the factors that is responsible for the difference in the precipitation between Nevada and Washington states. The Washington state is located along the coastal region of pacific ocean and having more mountain ranges which causes more rainfall in that region while on the other hand, Nevada state comprise of plateau, basins and far away from the ocean which is the main cause of lower rainfall as compared to Washington state.
GIVING BRAINLIEST The molar mass of AICI3 is 133.34 g/mol. How many molecules of AICI3 are there in 2g?
Answers
Answer:
If I remember correctly, 0.0149991895187944
Explanation:
hope this helps:)
What is Force? I'll Mark BRAINLIEST
Answers
Answer:
A push or pull is referred to as a force. Forces can cause objects to move, slow, stop, or change the direction in which they travel. The force of gravity, for example, pulls all objects toward the Earth's center. Every time two things interact, a force is exerted on each of them. When this happens, the two items no longer feel the force after the interaction ends.
Explanation:
Force is that external physical cause which changes or tends to change:
the Direction of a moving body,the dimensions of a non-rigid body,state of rest or motion condition of a body.hope this helps you.
What is the name of this compound Fe₃N₂?
Answers
Answer:
it is (Ferric Nitride)
both renewable and non renewable give us what?
Answers
Answer: Both heat and energy.
Explanation:
2. Which of the following is NOT true of carbon levels in Earth's
atmosphere?
A. The composition of Earth's atmosphere has changed drastically over
time.
B.Drastic changes to the temperature of Earth's surface have
happened as a result of changes in the atmosphere's carbon levels.
C.Mass extinctions have occurred as a result of changes to the
atmosphere's carbon levels.
D.It is impossible to significantly change the carbon levels in Earth's
atmosphere.
Answers
Answer:
C. Mass extinctions
Explanation:
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. ... This event seems to be the combination of massive volcanic eruptions (the Deccan Traps) and the fall of a big meteorite.
What feature forms on the ocean floor at a divergent plate boundary where two pieces of oceanic crust are moving away from each other? One of these is found in the Atlantic Ocean. *
Mid-Ocean Ridge
Rift Valley
Trench
Glacier
Answers
Answer:
volcanos i think
Explanation:
learned it in 6th grade
How can you determine an atom's atomic mass?
Answers
Answer: I think you're supposed to add the protons and neutrons and then that's your answer. Sorry if I'm wrong :/
Explanation:
Unknown # 41
Flame Test Color: Lilac
Addition of HCl(aq): NR (No reaction)
Addition of HCl(aq) and BaCl2(aq): NR (No reaction)
Addition of HNO3(aq) and AgNO3(aq): Yellow precipitate
What is the unknown ionic compound molecular formula?
Answers
Explanation:
Flame test colors:
Li+ = Crimson Red
Na+ = Bright Orange-Yellow
K+ = Lilac
Addition of nitric acid and silver nitrate (HNO3 and AgNO3),
Cl- = White precipitate
Br- = Creamy precipitate
I- = Yellow Precipitate
Hope this helps, brainliest would be appreciated :)
Which of the following statements is correct?
Group of answer choices
A. Low pressure indicates rising air, which allows clouds to form.
B. High pressure indicates rising air, which allows clouds to form.
C. Low pressure indicates sinking air, which allows clouds to form.
D. High pressure indicates sinking air, which allows clouds to form.
Answers
I think its A. Low pressure indicates rising air, Which allows clouds to from.